Cheapism is editorially independent. We may earn a commission if you buy through links on our site.

man with large cart full of items from Costco
Bruce Bennett/Getty Images News/Getty Images North America

Whether it’s another pandemic, dangerous weather, or some other disruption to everyday life, Costco and Sam’s Club have a lot to offer anyone who’s preparing for an emergency. From toiletries and food to more specialized supplies such as generators, here are some safe-not-sorry buys to consider. Can you think of more? Tell us in the comments.

Not a member? You can apply here for Costco and here for Sam’s Club.

Prices and availability are subject to change. Some items sold out online may be available in store or vice versa. Prices also may be lower in store. 

Related: Don’t Miss These Perks of Costco and Sam’s Club Membership

Enbrighten LED Lanterns

Costco Enbrighten LED Lantern
Costco

$35 from Costco Shop Now

No power? Don’t drain your smartphone’s battery by relying on its flashlight. In fact, this rugged lantern with up to 180 lumens of bright light has a built-in USB port that will let you charge or power another device during a life of up to 55 hours between charges (and up to 405 hours of use with additional 3 D-cell batteries).

Kirkland Signature AA Batteries

Costco Kirkland Signature AA Batteries
Costco

$19 from Costco Shop Now

Chances are your old flashlight and radio run on ’em, so why pay more buying small packs at the supermarket when you can get 48 batteries for about 40 cents each? 

Related: Costco Brand Products Shoppers Rave About

First Aid Kit

Sam’s Club

$29 from Sam’s Club Shop Now

You can make your own first-aid kit, but paying for the pros to do it is a lot more convenient. This 351-piece case includes products from hand sanitizer gels and exam gloves to ointments, bandages, finger splints, scissors, and tweezers. It has some basic medications too, and first-aid guides to consult.

Firman Generator With Remote Start

Firman Generator With Remote Start
Costco

$550 from Costco Shop Now

The threat of stormy weather and extended power outages can feel a bit less daunting when you have an emergency power source on hand. This Firman generator runs on gas and comes with a battery for backup. The 5-gallon tank provides 14 hours of power at a 50% load. It can be started from up to 168 feet away by simply pushing a button on the remote.

Michelin Portable Jump Starter

Michelin Portable Jump Starter
Costco

$68 from Costco Shop Now

In this smartphone-dependent age, most of us have an external battery lying around, but can yours jump-start a car? This high-capacity battery comes with jumper cables that can do just that, plus it has a built-in flashlight and two USB ports for charging laptops, tablets, phones, and other devices.

StarKist Chunk Light Tuna

StarKist Chunk Light Tuna (12-pack)
Sam’s Club

$11 from Sam’s Club Shop Now

Tuna will always be a popular pick for emergency prep: It’s cheap, it lasts, and it’s an easy way to add protein to pasta, salad, a sandwich, a pita — whatever you can dream up, really.

Quaker Instant Oatmeal Variety Pack

Quaker Instant Oatmeal
Sam’s Club

$15 from Sam’s ClubShop Now

Instant oatmeal can be a winner even with the queasiest tummies, and it’s usually good for a year or longer. It’s also cheap and filling, making this 52-count variety pack a great choice for your just-in-case stash. 

Related: Costco Foods With Cult Followings

Kar’s Sweet and Salty Mix

Kar’s Sweet and Salty Mix
Sam’s Club

$14 from Sam’s Club Shop Now

Trail mix might just be the perfect food for emergencies: It’s shelf-stable, packs in plenty of protein and carbs, and mixes sweet and salty in a way that makes it way more appealing than digging into yet another canned good.

Kirkland Signature Protein Bars

Kirkland Signature Protein Bars
Costco

$55 from Costco Shop Now

Nonperishable foods are a must for plenty of potential emergencies. Protein bars such as this highly regarded Costco brand have a long shelf life and deliver a lot of energy despite their small size.

OMEALS Emergency Meal Kit

Costco Omeals
Costco
$180 from CostcoShop Now

Prepping for the end of times? Costco has your back in the form of this kit of self-heating emergency meals. From vegetable stew with beef to lentils and pepperoni pizza, everything has a 36-month shelf life — if the apocalypse isn’t here within three years, just take the kit camping and restock.

Augason Farms Emergency Food Supply Kit

Augason Farms Emergency Food Supply Kit
Sam’s Club

$31 from Sam’s Club Shop Now

It will cost you, but anyone who wants a no-muss, no-fuss supply of emergency food that can last for up to 25 years (not a typo!) can stock up on these kits. Each just-add-water, ready-to-eat kit has five kinds of food and feeds one person for three days.

WaterBrick FoodBrick Storage System

WaterBrick FoodBrick Storage System
Sam’s Club

$175 from Sam’s Club Shop Now

These stackable, interlocking 3.5-gallon containers make storing an emergency supply of food and water a little easier. The four air-tight, moisture-resistant FoodBricks can keep food fresh for the long haul. The six WaterBricks resist extreme temperatures and can be frozen.

Member’s Mark Exceed Grain-Free Dry Dog Food

Sam’s Club

$40 at Sam’s Club Shop Now

Don’t forget about Fido in a crisis. Warehouse clubs are one of the best places to stock up on pet food on the cheap, and reviewers love this formula made with wild-caught salmon as the first ingredient. (Got a cat? Remember the litter, too.) 

Related: Easy Dog Treat Recipes That Will Save You Money

Linksys Wi-Fi System

Linksys Wi-Fi System
Costco

$200 from Costco Shop Now

Telecommuting and online education will be a whole lot harder if your Wi-Fi isn’t up to snuff. This easy-to-set-up system provides coverage up to 3,000 feet per plug-in, no matter how device-happy your household. 

Related: Top-Rated Products on Amazon for Working From Home and Remote Learning

Kirkland Signature Ibuprofen

Costco Kirkland Signature Ibuprofen
Costco

$9 from Costco Shop Now

These two 500-caplet bottles will last and last, even for bigger families. Of course, also consider cold medicine, antacids, and other common over-the-counter needs. 

Related: What Not to Buy at Costco, Sam’s, or BJ’s

Palmolive Dish Detergent

Palmolive Dish Detergent
Sam’s Club

$8.50 from Sam’s Club Shop Now

When crowds clear the aisles of hand soap, it’s time to get a little creative. Dish soap is often gentler on sensitive skin — a nice bonus when you’re ramping up the hygiene. 

For more smart shopping tips, please sign up for our free newsletters.

Kirkland Signature Ultra Clean Laundry Detergent

Kirkland Signature Ultra Clean Free & Clear HE Liquid Laundry Detergent, 146 loads, 194 fl oz
Costco

$17 from Costco Shop Now

This 194-ounce jug of detergent that’s free of irritating dyes and perfumes can power through a whopping 146 loads of laundry. (That’s close to five loads a day for a month, if anyone’s counting.)

Member’s Mark Premium Diapers

Sam’s Club

$16 and up from Sam’s Club Shop Now

No one needs to sell parents of small children on why keeping an emergency stash of diapers is a good idea. Sam’s diapers are as cheap as 15 cents each, less than half the price of Pampers Swaddlers. Oh, and don’t forget the wipes and, if needed, formula.

Pantene Advanced Care Shampoo

Pantene Advanced Care Shampoo
Costco

$10.50 from Costco Shop Now

Pantene is your best bet for stocking up on shampoo at Costco. This 38-ounce bottle (and its conditioner counterpart) should last several weeks and then some, especially if you use only what you really need. 

Related: Beauty Products Worth Buying at Costco

Oral-B Toothbrushes

Oral-B toothbrushes
Costco

$17 from Costco Shop Now

It’s best to replace toothbrushes after you’ve been ill, experts say, especially if you have underlying health issues. With this pack of eight, you’ll have a ready supply. 

Related: Smart Things for Singles and Couples to Buy From Costco

Cora Organic Tampons

Cora Organic Tampons
Costco

$29 from Costco Shop Now

Stock up now (or on pads, if you prefer) and you’ll be happy to avoid a last-minute trip out of the house when that time of the month rolls around again.

Opti-Free Puremoist Disinfecting Solution

Opti-Free Pure Moist Disinfecting Solution
Sam’s Club

$22 from Sam’s Club Shop Now

Contact wearers, don’t forget to keep solution at the ready. This kit with two 14-ounce bottles includes two replacement cases (change them no less than every three months, experts recommend, and always rinse them with solution after removing your lenses).

Monopoly, Clue Game Pack

Monopoly Clue Board Game Costco
Costco

$53 from Costco Shop Now

Unchecked boredom can become an emergency of its own. This two-pack of nostalgia games can help while away the hours, no electricity required.

Meet the Writer

Saundra Latham regularly exploits her grocery’s fuel-points program for free tanks of gas and skips the salon in favor of the $5.99 sales at Great Clips. She has made her home in areas with a low cost of living, such as Dayton, Ohio, and Knoxville, Tenn.

Before joining Cheapism as the site’s first staff writer, Saundra freelanced for websites including Business Insider, ConsumerSearch, The Simple Dollar, The Motley Fool, and About.com. She was previously an editor at The Columbus Dispatch, one of Ohio’s largest daily newspapers. She holds a master’s in communication from Ohio State University and a bachelor’s in journalism from American University.